Attainment area

Attainment Area refers to a geographic region that meets or exceeds the United States Environmental Protection Agency (EPA)'s standards for a particular pollutant. The EPA sets these standards under the Clean Air Act to protect public health and the environment.

Definition

An attainment area is defined as a locality where levels of a specific air pollutant meet the health-based standard set by the EPA. The EPA sets these standards for six principal pollutants, also known as "criteria pollutants". These include carbon monoxide, lead, nitrogen dioxide, ozone, particulate matter, and sulfur dioxide.

Designation Process

The EPA designates attainment areas after a thorough review of air quality data, health studies, and public comments. The process involves several steps:

1. The EPA sets a National Ambient Air Quality Standard (NAAQS) for each of the six criteria pollutants.
2. The EPA and state air quality agencies monitor air quality and compile data.
3. If an area meets the NAAQS for a pollutant, the EPA designates it as an attainment area.

Implications

Being designated as an attainment area has several implications. It means that the air quality in that area is healthy, according to the standards set by the EPA. It also means that the area is not subject to certain regulatory requirements that apply to non-attainment areas. These requirements may include stricter controls on industrial emissions and transportation planning to reduce air pollution.

See Also

• Non-attainment area
• Air Quality Index
• Air pollution
• Environmental policy of the United States

References

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